Finite Group Databasebeta

← C31×#26716 #21483475

Subgroups — C31×#26716 #21483475

Order 7936.

772 conjugacy classes of subgroups.

The subgroup lattice has 646 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#2445C211yesmaximal, characteristic
2C31×#2370C211yesmaximal, characteristic, complemented
3C31×#2088C211yesmaximal, characteristic, complemented
4C31×#2041C211yesmaximal, characteristic
5C31×#2025C211yesmaximal, characteristic, complemented
6C31×#2025C211yesmaximal, characteristic, complemented
7C31×#1982C211yesmaximal, characteristic
8C31×#1936C211yesmaximal, characteristic, complemented
9C31×#1926C211yesmaximal, characteristic, complemented
10C31×#1925C211yesmaximal, characteristic, complemented
11C31×#1925C211yesmaximal, characteristic, complemented
12C31×#1918C211yesmaximal, characteristic, complemented
13C31×#1917C211yesmaximal, characteristic, complemented
14C31×#1864C211yesmaximal, characteristic, complemented
15C31×#1762C211yesmaximal, characteristic, complemented
16C2×C31×#127C2211yescharacteristic
17C2×C31×#125C2211yescharacteristic
18C2×C31×#123—21no—
19C2×C4×D4×C31C2211yescharacteristic
20C2×C31×#107C2211yescharacteristic
21C2×C31×#106C2211yescharacteristic
22C2×C31×C4⋊C8C2211yescharacteristic
23C2×C31×#102C2211yescharacteristic
24C2×C31×#102C2211yescharacteristic
25C2×C31×#102C2211yescharacteristic
26C2×C31×#102C2211yescharacteristic
27C2×C31×#102C2211yescharacteristic
28C2×C31×#102C2211yescharacteristic
29C2×C31×#102C2211yescharacteristic
30C2×C31×#102C2211yescharacteristic
31C2×C31×#97C2211yescharacteristic
32C31×#394—21no—
33C31×#394—21no—
34C31×#390C2211yescharacteristic
35C31×#390C2211yescharacteristic
36C31×#390C2211yescharacteristic
37C31×#389—21no—
38C31×#389C2211yescharacteristic
39C31×#389C2211yescharacteristic
40C31×#389C2211yescharacteristic
41C31×#387—21no—
42C31×#387—21no—
43C31×#386—21no—
44C4×C4⋊C4×C31—21no—
45C4×C4⋊C4×C31C2211yescharacteristic
46C4×C4⋊C4×C31C2211yescharacteristic
47C4×C4⋊C4×C31C2211yescharacteristic
48C4×C4⋊C4×C31C2211yescharacteristic
49C31×#340C2211yescharacteristic
50C31×#340C2211yescharacteristic
51C31×#340C2211yescharacteristic
52C31×#340C2211yescharacteristic
53C31×#340C2211yescharacteristic
54C31×#340C2211yescharacteristic
55C31×#336C2211yescharacteristic
56C31×#336C2211yescharacteristic
57C31×#336C2211yescharacteristic
58C31×#336C2211yescharacteristic
59C22×D4×C31—21no—
60C22×D4×C31—21no—
61C22×D4×C31C2311yescharacteristic
62C22×D4×C31C2311yescharacteristic
63C23×C4×C31—21no—
64C22×C8×C31C2311yescharacteristic
65C22×C8×C31C2311yescharacteristic
66C22×C8×C31C2311yescharacteristic
67C22×C8×C31C2311yescharacteristic
68C31×#127—22no—
69C31×#127—41no—
70C31×#125—22no—
71C31×#125—22no—
72C31×#123—44no—
73C4×D4×C31—22no—
74C4×D4×C31—41no—
75C2×C4⋊C4×C31—21no—
76C2×C4⋊C4×C31—21no—
77C2×C4⋊C4×C31—21no—
78C2×C4⋊C4×C31—21no—
79C2×C4⋊C4×C31—21no—
80C2×C4⋊C4×C31D411yescharacteristic
81C2×C4⋊C4×C31D411yescharacteristic
82C2×C4⋊C4×C31C2311yescharacteristic
83C2×C4⋊C4×C31C2311yescharacteristic
84C2×C4⋊C4×C31C2311yescharacteristic
85C2×C4⋊C4×C31C2311yescharacteristic
86C2×C4⋊C4×C31C2311yescharacteristic
87C2×C4⋊C4×C31C2311yescharacteristic
88C2×C22⋊C4×C31—21no—
89C2×C22⋊C4×C31—21no—
90C2×C22⋊C4×C31—21no—
91C2×C22⋊C4×C31—21no—
92C2×C22⋊C4×C31—21no—
93C2×C22⋊C4×C31—21no—
94C2×C22⋊C4×C31—21no—
95C2×C42×C31—21no—
96C2×C42×C31—21no—
97C2×C42×C31—21no—
98C2×C42×C31C2311yescharacteristic
99C2×C42×C31C2311yescharacteristic
100C2×C42×C31C2311yescharacteristic
101C31×#107—22no—
102C31×#106—41no—
103C31×C4⋊C8—41no—
104C31×#102—22no—
105C31×#102—22no—
106C31×#102—22no—
107C31×#102—22no—
108C31×#102—22no—
109C31×#102—22no—
110C31×#102—22no—
111C31×#102—41no—
112C31×#97—41no—
113C31×#95—21no—
114C31×#95—21no—
115C31×#95—21no—
116C31×#95—21no—
117C31×#95—21no—
118C31×#95—21no—
119C31×#95D411yescharacteristic
120C31×#95D411yescharacteristic
121C24×C31—21no—
122C24×C31—21no—
123C2×D4×C31—21no—
124C2×D4×C31—21no—
125C2×D4×C31—21no—
126C2×D4×C31—21no—
127C2×D4×C31—21no—
128C2×D4×C31—21no—
129C2×D4×C31—21no—
130C2×D4×C31—21no—
131C2×D4×C31—21no—
132C2×D4×C31—21no—
133C2×D4×C31—21no—
134C2×D4×C31—42no—
135C2×D4×C31—42no—
136C2×D4×C31—42no—
137C2×D4×C31—42no—
138C2×D4×C31—81no—
139C2×D4×C31—81no—
140C2×D4×C31#4112yes—
141C22×C4×C31—21no—
142C22×C4×C31—21no—
143C22×C4×C31—21no—
144C22×C4×C31—21no—
145C22×C4×C31—21no—
146C22×C4×C31—21no—
147C22×C4×C31—42no—
148C22×C4×C31—42no—
149C22×C4×C31—81no—
150C22×C4×C31C2×D411yescharacteristic
151C22×C4×C31C2×D411yescharacteristic
152C22×C4×C31C2×D411yescharacteristic
153C22×C4×C31C2×D411yescharacteristic
154C22×C4×C31C2×D411yescharacteristic
155C22×C4×C31C2×D411yescharacteristic
156C22×C4×C31C2411yescharacteristic
157C2×C8×C31—21no—
158C2×C8×C31—21no—
159C2×C8×C31—21no—
160C2×C8×C31—21no—
161C2×C8×C31—21no—
162C2×C8×C31—21no—
163C2×C8×C31—21no—
164C2×C8×C31—21no—
165C2×C8×C31—21no—
166C2×C8×C31—21no—
167C2×C8×C31—21no—
168C2×C8×C31—21no—
169C4⋊C4×C31—24no—
170C4⋊C4×C31—24no—
171C4⋊C4×C31—22no—
172C4⋊C4×C31—21no—
173C4⋊C4×C31—21no—
174C4⋊C4×C31—21no—
175C4⋊C4×C31—21no—
176C4⋊C4×C31—21no—
177C4⋊C4×C31—21no—
178C4⋊C4×C31—21no—
179C4⋊C4×C31—21no—
180C4⋊C4×C31—21no—
181C4⋊C4×C31—41no—
182C4⋊C4×C31—42no—
183C4⋊C4×C31—42no—
184C4⋊C4×C31—81no—
185C4⋊C4×C31#4112yes—
186C4⋊C4×C31#4112yes—
187C4⋊C4×C31#4112yes—
188C22⋊C4×C31—42no—
189C22⋊C4×C31—42no—
190C22⋊C4×C31—42no—
191C22⋊C4×C31—42no—
192C22⋊C4×C31—81no—
193C22⋊C4×C31—81no—
194C22⋊C4×C31—81no—
195C42×C31—21no—
196C42×C31—21no—
197C42×C31—21no—
198C42×C31—21no—
199C42×C31—21no—
200C42×C31—21no—
201C42×C31—42no—
202C42×C31—81no—
203C42×C31—81no—
204#26716C3111yesmaximal, characteristic, direct product factor, Sylow
205C23×C31—22no—
206C23×C31—41no—
207C23×C31—41no—
208C23×C31—41no—
209C23×C31—41no—
210C23×C31—41no—
211C23×C31—41no—
212C23×C31—41no—
213C23×C31—41no—
214C23×C31—41no—
215C23×C31—41no—
216C23×C31—41no—
217C23×C31—41no—
218C23×C31—41no—
219C23×C31C22×D411yescharacteristic
220D4×C31—22no—
221D4×C31—22no—
222D4×C31—41no—
223D4×C31—41no—
224D4×C31—41no—
225D4×C31—41no—
226D4×C31—41no—
227D4×C31—41no—
228D4×C31—84no—
229D4×C31—84no—
230C2×C4×C31—21no—
231C2×C4×C31—21no—
232C2×C4×C31—21no—
233C2×C4×C31—21no—
234C2×C4×C31—22no—
235C2×C4×C31—22no—
236C2×C4×C31—21no—
237C2×C4×C31—21no—
238C2×C4×C31—21no—
239C2×C4×C31—22no—
240C2×C4×C31—21no—
241C2×C4×C31—21no—
242C2×C4×C31—21no—
243C2×C4×C31—21no—
244C2×C4×C31—21no—
245C2×C4×C31—21no—
246C2×C4×C31—21no—
247C2×C4×C31—21no—
248C2×C4×C31—21no—
249C2×C4×C31—21no—
250C2×C4×C31—41no—
251C2×C4×C31—41no—
252C2×C4×C31—41no—
253C2×C4×C31—41no—
254C2×C4×C31—41no—
255C2×C4×C31—41no—
256C2×C4×C31—41no—
257C2×C4×C31—41no—
258C2×C4×C31—41no—
259C2×C4×C31—41no—
260C2×C4×C31—41no—
261C2×C4×C31—41no—
262C2×C4×C31—41no—
263C2×C4×C31—41no—
264C2×C4×C31—41no—
265C2×C4×C31—84no—
266C2×C4×C31AGL(1,ℤ/8)12yes—
267C2×C4×C31C2×#4111yescharacteristic
268C2×C4×C31C2×#4111yescharacteristic
269C2×C4×C31C2×#4111yescharacteristic
270C2×C4×C31C2×#4111yescharacteristic
271C2×C4×C31H(5,𝔽2)11yescharacteristic
272C2×C4×C312−1+411yescharacteristic
273C8×C31—41no—
274C8×C31—41no—
275C8×C31—41no—
276C8×C31—41no—
277#2445C2×C3111yescharacteristic
278#2370C2×C3111yescharacteristic, complemented
279#2088C2×C3111yescharacteristic, complemented
280#2041C2×C3111yescharacteristic
281#2025C2×C3111yescharacteristic, complemented
282#2025C2×C3111yescharacteristic, complemented
283#1982C2×C3111yescharacteristic
284#1936C2×C3111yescharacteristic, complemented
285#1926C2×C3111yescharacteristic, complemented
286#1925C2×C3111yescharacteristic, complemented
287#1925C2×C3111yescharacteristic, complemented
288#1918C2×C3111yescharacteristic, complemented
289#1917C2×C3111yescharacteristic, complemented
290#1864C2×C3111yescharacteristic, complemented
291#1762C2×C3111yescharacteristic, complemented
292C22×C31—42no—
293C22×C31—42no—
294C22×C31—42no—
295C22×C31—81no—
296C22×C31—81no—
297C22×C31—81no—
298C22×C31—81no—
299C22×C31—81no—
300C22×C31—81no—
301C22×C31—81no—
302C22×C31—81no—
303C22×C31—81no—
304C22×C31—81no—
305C22×C31—81no—
306C22×C31#52511yescharacteristic
307C22×C31#54611yescharacteristic
308C22×C31#54811yescharacteristic
309C22×C31C2×AGL(1,ℤ/8)11yescharacteristic
310C22×C31#57511yescharacteristic
311C22×C31#57611yescharacteristic
312C22×C31#57711yescharacteristic
313C4×C31—22no—
314C4×C31—42no—
315C4×C31—41no—
316C4×C31—42no—
317C4×C31—41no—
318C4×C31—42no—
319C4×C31—41no—
320C4×C31—41no—
321C4×C31—41no—
322C4×C31—81no—
323C4×C31—81no—
324C4×C31—81no—
325C4×C31#52911yescharacteristic
326C4×C31#54211yescharacteristic
327C4×C31#55211yescharacteristic
328C4×C31#55911yescharacteristic
329C2×#127C22×C3111yescharacteristic
330C2×#125C22×C3111yescharacteristic
331C2×#123—21no—
332C2×C4×D4C22×C3111yescharacteristic
333C2×#107C22×C3111yescharacteristic
334C2×#106C22×C3111yescharacteristic
335C2×C4⋊C8C22×C3111yescharacteristic
336C2×#102C22×C3111yescharacteristic
337C2×#102C22×C3111yescharacteristic
338C2×#102C22×C3111yescharacteristic
339C2×#102C22×C3111yescharacteristic
340C2×#102C22×C3111yescharacteristic
341C2×#102C22×C3111yescharacteristic
342C2×#102C22×C3111yescharacteristic
343C2×#102C22×C3111yescharacteristic
344C2×#97C22×C3111yescharacteristic
345#394—21no—
346#394—21no—
347#390C22×C3111yescharacteristic
348#390C22×C3111yescharacteristic
349#390C22×C3111yescharacteristic
350#389—21no—
351#389C22×C3111yescharacteristic
352#389C22×C3111yescharacteristic
353#389C22×C3111yescharacteristic
354#387—21no—
355#387—21no—
356#386—21no—
357C4×C4⋊C4—21no—
358C4×C4⋊C4C22×C3111yescharacteristic
359C4×C4⋊C4C22×C3111yescharacteristic
360C4×C4⋊C4C22×C3111yescharacteristic
361C4×C4⋊C4C22×C3111yescharacteristic
362#340C22×C3111yescharacteristic
363#340C22×C3111yescharacteristic
364#340C22×C3111yescharacteristic
365#340C22×C3111yescharacteristic
366#340C22×C3111yescharacteristic
367#340C22×C3111yescharacteristic
368#336C22×C3111yescharacteristic
369#336C22×C3111yescharacteristic
370#336C22×C3111yescharacteristic
371#336C22×C3111yescharacteristic
372C2×C31—82no—
373C2×C31—161no—
374C2×C31#245811yescharacteristic
375C2×C31#311511yescharacteristic
376C2×C31#311911yescharacteristic
377C2×C31#331011yescharacteristic
378C2×C31#332211yescharacteristic
379C2×C31#336611yescharacteristic
380C2×C31#337111yescharacteristic
381C22×D4—21no—
382C22×D4—21no—
383C22×D4C23×C3111yescharacteristic
384C22×D4C23×C3111yescharacteristic
385C23×C4—21no—
386C22×C8C23×C3111yescharacteristic
387C22×C8C23×C3111yescharacteristic
388C22×C8C23×C3111yescharacteristic
389C22×C8C23×C3111yescharacteristic
390#127—22no—
391#127—41no—
392#125—22no—
393#125—22no—
394#123—44no—
395C4×D4—22no—
396C4×D4—41no—
397C2×C4⋊C4—21no—
398C2×C4⋊C4—21no—
399C2×C4⋊C4—21no—
400C2×C4⋊C4—21no—
401C2×C4⋊C4—21no—
402C2×C4⋊C4D4×C3111yescharacteristic
403C2×C4⋊C4D4×C3111yescharacteristic
404C2×C4⋊C4C23×C3111yescharacteristic
405C2×C4⋊C4C23×C3111yescharacteristic
406C2×C4⋊C4C23×C3111yescharacteristic
407C2×C4⋊C4C23×C3111yescharacteristic
408C2×C4⋊C4C23×C3111yescharacteristic
409C2×C4⋊C4C23×C3111yescharacteristic
410C2×C22⋊C4—21no—
411C2×C22⋊C4—21no—
412C2×C22⋊C4—21no—
413C2×C22⋊C4—21no—
414C2×C22⋊C4—21no—
415C2×C22⋊C4—21no—
416C2×C22⋊C4—21no—
417C2×C42—21no—
418C2×C42—21no—
419C2×C42—21no—
420C2×C42C23×C3111yescharacteristic
421C2×C42C23×C3111yescharacteristic
422C2×C42C23×C3111yescharacteristic
423#107—22no—
424#106—41no—
425C4⋊C8—41no—
426#102—22no—
427#102—22no—
428#102—22no—
429#102—22no—
430#102—22no—
431#102—22no—
432#102—22no—
433#102—41no—
434#97—41no—
435#95—21no—
436#95—21no—
437#95—21no—
438#95—21no—
439#95—21no—
440#95—21no—
441#95D4×C3111yescharacteristic
442#95D4×C3111yescharacteristic
443C31#2671611yescharacteristic, direct product factor, Sylow
444C24—21no—
445C24—21no—
446C2×D4—21no—
447C2×D4—21no—
448C2×D4—21no—
449C2×D4—21no—
450C2×D4—21no—
451C2×D4—21no—
452C2×D4—21no—
453C2×D4—21no—
454C2×D4—21no—
455C2×D4—21no—
456C2×D4—21no—
457C2×D4—42no—
458C2×D4—42no—
459C2×D4—42no—
460C2×D4—42no—
461C2×D4—81no—
462C2×D4—81no—
463C2×D4#41×C3112yes—
464C22×C4—21no—
465C22×C4—21no—
466C22×C4—21no—
467C22×C4—21no—
468C22×C4—21no—
469C22×C4—21no—
470C22×C4—42no—
471C22×C4—42no—
472C22×C4—81no—
473C22×C4C2×D4×C3111yescharacteristic
474C22×C4C2×D4×C3111yescharacteristic
475C22×C4C2×D4×C3111yescharacteristic
476C22×C4C2×D4×C3111yescharacteristic
477C22×C4C2×D4×C3111yescharacteristic
478C22×C4C2×D4×C3111yescharacteristic
479C22×C4C24×C3111yescharacteristic
480C2×C8—21no—
481C2×C8—21no—
482C2×C8—21no—
483C2×C8—21no—
484C2×C8—21no—
485C2×C8—21no—
486C2×C8—21no—
487C2×C8—21no—
488C2×C8—21no—
489C2×C8—21no—
490C2×C8—21no—
491C2×C8—21no—
492C4⋊C4—24no—
493C4⋊C4—24no—
494C4⋊C4—22no—
495C4⋊C4—21no—
496C4⋊C4—21no—
497C4⋊C4—21no—
498C4⋊C4—21no—
499C4⋊C4—21no—
500C4⋊C4—21no—
501C4⋊C4—21no—
502C4⋊C4—21no—
503C4⋊C4—21no—
504C4⋊C4—41no—
505C4⋊C4—42no—
506C4⋊C4—42no—
507C4⋊C4—81no—
508C4⋊C4#41×C3112yes—
509C4⋊C4#41×C3112yes—
510C4⋊C4#41×C3112yes—
511C22⋊C4—42no—
512C22⋊C4—42no—
513C22⋊C4—42no—
514C22⋊C4—42no—
515C22⋊C4—81no—
516C22⋊C4—81no—
517C22⋊C4—81no—
518C42—21no—
519C42—21no—
520C42—21no—
521C42—21no—
522C42—21no—
523C42—21no—
524C42—42no—
525C42—81no—
526C42—81no—
527C23—22no—
528C23—41no—
529C23—41no—
530C23—41no—
531C23—41no—
532C23—41no—
533C23—41no—
534C23—41no—
535C23—41no—
536C23—41no—
537C23—41no—
538C23—41no—
539C23—41no—
540C23—41no—
541C23C22×D4×C3111yescharacteristic
542D4—22no—
543D4—22no—
544D4—41no—
545D4—41no—
546D4—41no—
547D4—41no—
548D4—41no—
549D4—41no—
550D4—84no—
551D4—84no—
552C2×C4—21no—
553C2×C4—21no—
554C2×C4—21no—
555C2×C4—21no—
556C2×C4—22no—
557C2×C4—22no—
558C2×C4—21no—
559C2×C4—21no—
560C2×C4—21no—
561C2×C4—22no—
562C2×C4—21no—
563C2×C4—21no—
564C2×C4—21no—
565C2×C4—21no—
566C2×C4—21no—
567C2×C4—21no—
568C2×C4—21no—
569C2×C4—21no—
570C2×C4—21no—
571C2×C4—21no—
572C2×C4—41no—
573C2×C4—41no—
574C2×C4—41no—
575C2×C4—41no—
576C2×C4—41no—
577C2×C4—41no—
578C2×C4—41no—
579C2×C4—41no—
580C2×C4—41no—
581C2×C4—41no—
582C2×C4—41no—
583C2×C4—41no—
584C2×C4—41no—
585C2×C4—41no—
586C2×C4—41no—
587C2×C4—84no—
588C2×C4C31×AGL(1,ℤ/8)12yes—
589C2×C4C2×#41×C3111yescharacteristic
590C2×C4C2×#41×C3111yescharacteristic
591C2×C4C2×#41×C3111yescharacteristic
592C2×C4C2×#41×C3111yescharacteristic
593C2×C4C31×H(5,𝔽2)11yescharacteristic
594C2×C4C31×2−1+411yescharacteristic
595C8—41no—
596C8—41no—
597C8—41no—
598C8—41no—
599C22—42no—
600C22—42no—
601C22—42no—
602C22—81no—
603C22—81no—
604C22—81no—
605C22—81no—
606C22—81no—
607C22—81no—
608C22—81no—
609C22—81no—
610C22—81no—
611C22—81no—
612C22—81no—
613C22C31×#52511yescharacteristic
614C22C31×#54611yescharacteristic
615C22C31×#54811yescharacteristic
616C22C2×C31×AGL(1,ℤ/8)11yescharacteristic
617C22C31×#57511yescharacteristic
618C22C31×#57611yescharacteristic
619C22C31×#57711yescharacteristic
620C4—22no—
621C4—42no—
622C4—41no—
623C4—42no—
624C4—41no—
625C4—42no—
626C4—41no—
627C4—41no—
628C4—41no—
629C4—81no—
630C4—81no—
631C4—81no—
632C4C31×#52911yescharacteristic
633C4C31×#54211yescharacteristic
634C4C31×#55211yescharacteristic
635C4C31×#55911yescharacteristic
636C2—82no—
637C2—161no—
638C2C31×#245811yescharacteristic
639C2C31×#311511yescharacteristic
640C2C31×#311911yescharacteristic
641C2C31×#331011yescharacteristic
642C2C31×#332211yescharacteristic
643C2C31×#336611yescharacteristic
644C2C31×#337111yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC2×C31×#127C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C31 ◁ C4×C4⋊C4×C31 ◁ G

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

NH ≅ G/Ntype
2. C31×#2370C2semidirect
3. C31×#2088C2semidirect
5. C31×#2025C2semidirect
6. C31×#2025C2semidirect
8. C31×#1936C2semidirect
9. C31×#1926C2semidirect
10. C31×#1925C2semidirect
11. C31×#1925C2semidirect
12. C31×#1918C2semidirect
13. C31×#1917C2semidirect
14. C31×#1864C2semidirect
15. C31×#1762C2semidirect
204. #26716C31direct (N × H)
278. #2370C2×C31semidirect
279. #2088C2×C31semidirect
281. #2025C2×C31semidirect
282. #2025C2×C31semidirect
284. #1936C2×C31semidirect
285. #1926C2×C31semidirect
286. #1925C2×C31semidirect
287. #1925C2×C31semidirect
288. #1918C2×C31semidirect
289. #1917C2×C31semidirect
290. #1864C2×C31semidirect
291. #1762C2×C31semidirect
443. C31#26716direct (N × H)

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroupindex
C31×#24452
C31×#23702
C31×#20882
C31×#20412
C31×#20252
C31×#19822
C31×#19362
C31×#19262
C31×#19252
C31×#19182
C31×#19172
C31×#18642
C31×#17622
#2671631